<html>

<head>
    <style type="text/css">
        div{display: flex;border-style:solid;background-color: white;margin:5px;
        align-items: center;transition: background-color,1s;}
        #tree{border-style:none;display: flex;align-items: center;}
        
    </style>
    <script src="23.js">
    </script>
</head>

<body onload="load()">
    <div id="tree">
    </div>
    <button id="loop">loop</button>
    <label><input id="text" type="text" /><button id="search">search</button></label>
</body>

</html>